When you attach your fascia is the top flush to your terrain or does it go up to provide a small wall? If so, how far up do you go? What are the advantages / disadvantages?
Most of the layouts I have seen, it follows the contours of the scenery.
If you have places where the track is close to the edge or little fingers could derail it, you can either:
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Have it up a couple of inches.
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Put a piece of plexiglas between the layout and the facia, that is up a couple of inches above the edge.
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There is a video on putting a removeable plexiglas barrier around your layout. Click on Videos, then expert tips. This is the one I am thinking of using on my portable layout. Will allow me to have a barrier that short viewers can see through, but protect trains from a dive over the edge or a quick,gaint hand from rushing in. With it removeable I think it will keep it from getting scratched as much and also be out of the way when I want to work on the layout.
Good luck,
Ricahrd
I have the fascia approximately 1/2" above the edge. In some ares the scenery will slop up to the top, but most will not.
Typically flush, but I have a shelf section where I let it form a little wall…
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Facia is 1" above the inside surface before adding ground cover. Never had a loco hit the floor. [;)]
Dave